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Individual Calculations October 2017 |
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| Costin, Petrica Total change: -6.60 | |   |
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| Petra Weekend no.9 | Satu Mare | ROU | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 2034 | 3.50 | 6 | -0.25 | 20 | -5.00 | |
|  Ilonczai, Levente-David | | | 1948 | ROU | 0.00 | 1 | -0.62 | 20 | -12.40 | |  Turcu, Fanel | | | 1921 | ROU | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Muller, Wilhelm | | | 1923 | ROU | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sogor, Andras-Csaba | | | 1881 | ROU | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Levay, Sorin | f | | 2117 | ROU | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Ardelean, Lorela-Daniela | | | 1851 | ROU | 1.00 | 1 | 0.26 | 20 | 5.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Tasnad Open 2017 | Satu Mare | ROU | 2017-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2434 | 2034 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
| | Aczel, Gergely | m | | 2434 * | HUN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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